On the first day of school, Avery feels insecure when noticing her classmates' growth spurts over the summer; Tyler reveals a new haircut.

Avery arrives at school and learns that she's been left out of "ditch day."

Avery refuses to help the family with their annual haunted house.

Stan makes a video about being the world’s first talking dog to leave as his legacy, but the parents grow suspicious of what’s on the tape, so the kids must record over it. Meanwhile, Ellen decides to take a job with Stan’s veterinarian, but soon learns she may not be well suited for it.

Tyler works with Emily in the food truck and they hit it off.

After Tyler, Avery, and Chloe have to hang out with their annoying neighbor, Karl, they quickly come up with a plan to keep him away.

When Ellen's self-obsessed sister comes over, due to a flight delay to Hawaii, Avery tries to help her mom to get through the visit. Meanwhile Stan, Tyler, and Chloe attempt to hide a stray dog named Sparky in the house for Christmas.

When Avery agrees to tutor Wes in Spanish so she can hang out with him, she needs to learn Spanish herself, first. So she enlists Nikki to tell her what to say through an earpiece that she'll be wearing, but when Nikki and Tyler start arguing, Avery's still repeating everything they say.

After Avery blows her chance with Wes, she finds out he asks Lindsay on a date instead. Avery and Lindsay get in a big fight and decide to compete for Wes. Wes finds out about Avery's feelings and how she has a crush on him.

After Tyler's friendship with Nikki begins to interfere with his relationship with his girlfriend Emily, he has to make an tough choice between the two.

The constant fighting between the kids leads Stan to run away

When Tyler decides to try and get Nikki back as his girlfriend, Avery is hesitant to help him for fear of being caught between her friend and brother, but ultimately intervenes.

Avery is excited to attend the school dance with Wes and secretly seeks dance lessons from her neighbor, Karl. However, things do not turn out as planned when Wes becomes suspicious of Avery spending so much time with Karl.

Stan unintentionally gets Avery and Wes to break up and try to get them back together.

When Stan acts up, Ellen hires strict animal instructor Cherri Pickford to help train him. When Stan does not comply, Ellen goes against the kids' wishes and demands he stay outside.

Avery doesn't understand why Wes is keeping his distance, but ultimately learns he is nervous to tell her that he is moving away.

Avery, Tyler and Chloe try to plan something special for their parents' upcoming anniversary.

Tyler makes a commercial for his boss' food truck business.

Avery and Ellen go on a mother/daughter trip and leaves Bennett in charge of getting Chloe ready for her dance recital.

Avery learns she's been selected to create a float for her town's parade and is excited to spend some quality time with her father to build it. Meanwhile, Chloe watches a sci-fi movie that leads her to believe her family is being taken over by aliens and that the parede float they are costructing is really a spaceship

Wealthy business tycoon Tom Fairbanks wants to buy Stan from the James-Jennings family to use him as a spokes-dog for his animal rescue campaign. Fearful that Bennett and Ellen might say yes, Avery, Tyler and Chloe hire actors to play their parents and turn down the offer before they are approached.

Stan uses a computerized robot to go to school with Avery and Tyler where he feels pressured into deciding if he should join Avery or Tyler’s social circle.

Karl, the James-Jennings’ family neighbor, reveals to the kids that he knows Stan’s secret.

Stan's blog is accidentally submitted as Bennett's latest book and the kids must work together to protect Stan's secret.

Ellen and Bennett find out that Stan can talk, and shortly after the entire James-Jennings family is taken hostage by the U.S. Space Command's Alien Division. Together, the Jennings-James family must work together and devise an escape plan, all while protecting Stan.